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MCP server · Blockchain

io.github.ryanthegentry/402index

by · github.com/ryanthegentry/402index-mcp-server

Search 15,000+ paid API endpoints across the L402, x402, and MPP protocols on 402index.io

Unclaimed last commit 6 months ago blockchain
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Scored 6 days ago · breakdown

About io.github.ryanthegentry/402index

io.github.ryanthegentry/402index is an MCP server published by ryanthegentry in the Blockchain category: search 15,000+ paid API endpoints across the L402, x402, and MPP protocols on 402index.io.

The repository has 3 stars and 1 forks, with the last commit 6 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

Claude Code
claude mcp add io-github-ryanthegentry-402index -- npx -y @402index/mcp-server
npx
npx -y @402index/mcp-server

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Tools (4)

get_directory_statsGet overall directory health and stats: total services, breakdown by protocol/health/source, and sync timestamps. Example:

Parameters not published.

get_service_detailGet full details for a single service including health check history, pricing, and schema information. Example:

Parameters not published.

list_categoriesList all service categories with counts. Example:

Parameters not published.

search_servicesSearch and filter paid API services in the 402 Index directory. Returns services with health status, pricing, and protocol info. Example:

Parameters not published.

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Security checks

  • ✓README presentThe repository ships documentation.

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README

402 Index MCP Server

Search 15,000+ paid API endpoints across L402, x402, and MPP protocols with real-time health monitoring.

The 402 Index is the world's largest directory of paid API endpoints for AI agents. This MCP server gives your agent access to search, filter, and evaluate paid APIs before spending money.

Quick Start

npm install -g @402index/mcp-server
mcp-server

Installation

Claude Code

npm install -g @402index/mcp-server
claude mcp add 402index -- mcp-server

Claude Desktop

Install the server, then add to ~/Library/Application Support/Claude/claude_desktop_config.json:

npm install -g @402index/mcp-server

{
  "mcpServers": {
    "402index": {
      "command": "mcp-server"
    }
  }
}

Cursor

Install the server, then add to .cursor/mcp.json:

npm install -g @402index/mcp-server

{
  "mcpServers": {
    "402index": {
      "command": "mcp-server"
    }
  }
}

Cline

Install the server, then add to your Cline MCP settings:

npm install -g @402index/mcp-server

{
  "mcpServers": {
    "402index": {
      "command": "mcp-server"
    }
  }
}

Tools

Tool Description
search_services Search 15,000+ paid APIs by keyword, protocol (L402/x402/MPP), category, health status, price, and more
get_service_detail Full details for a service including health history, latency, pricing, and payment verification
list_categories Browse all API categories with per-protocol endpoint counts
get_directory_stats Directory-wide health stats, protocol breakdown, and sync timestamps

Token-Optimized Defaults (v0.2.0)

Responses are compact by default to minimize token usage in agent workflows:

  • search_services returns 10 results with 5 fields (name, url, protocol, price_sats, health_status) by default
    • fields — Comma-separated field names to return, or * for all 20 fields
    • format — json (default) or csv for tabular output (~29% fewer tokens)
    • limit — Results per page (default 10, max 200)
  • list_categories returns a flat [{name, count}] array by default
    • summary — true (default) for compact output, false for full protocol breakdown

What Can Your Agent Discover?

  • L402 (Lightning) — Self-custodial Bitcoin micropayments. 477 endpoints from providers like mutinynet faucet, sats4ai, LightningEnable.
  • x402 (Coinbase/Solana) — USDC stablecoin payments on Base/Solana. 14,478 endpoints from Bazaar, Satring, Sponge.
  • MPP (Stripe/Tempo) — Fiat-native machine payments. 488 endpoints from OpenAI, Anthropic, Google Gemini, Firecrawl, Replicate.

Every endpoint is health-checked hourly with latency measurements and reliability scoring.

Example Prompts

  • "Find healthy L402 APIs for weather data under $0.01"
  • "What paid inference APIs are available and which have the best uptime?"
  • "Show me all podcast-related paid APIs"
  • "Which API categories have the most endpoints?"
  • "Get details on the sats4ai image generation endpoint"

Environment Variables

Variable Default Description
INDEX_URL https://402index.io Base URL of the 402 Index API

Links

License

MIT

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About io.github.ryanthegentry/402index

How do I install io.github.ryanthegentry/402index?

Run claude mcp add io-github-ryanthegentry-402index -- npx -y @402index/mcp-server, then add the server to your MCP client's configuration.

Is io.github.ryanthegentry/402index safe to use with an AI agent?

Its trust score is 37 out of 100 (low). It passes 1 of the 1 static security checks run so far. It has no ConduID identity yet, so agent calls to it are not receipted.

Is io.github.ryanthegentry/402index still maintained?

The last commit was 6 months ago. That's long enough that you should check whether the maintainer is responding to issues before depending on it.